Philip Bejon/Lancet

Low-dose yellow fever vaccination in infants: a randomised, double-blind, non-inferiority trial.Kimathi D Juan-Giner A Bob NS Orindi B Namulwana ML Diatta A Cheruiyot S Fall G Dia M Hamaluba MM Nyehangane D Karanja HK Gitonga JN Mugo D Omuoyo DO Hussein M Oloo E Kamau N Wafula J Bendera J Silvester N Mwavita J Joshua M Thuranira JM Agababyona C Ngetsa C Aisha N Moki F Buluku T Munene M Mwanga-Amumpaire J Lutwama J Kayiwa J Kamaara E Barrett AD Kaleebu P Bejon P Sall AA Grais RF Warimwe GM
Lancet, (2026). 407:497-504

Feasibility, safety, and impact of the RTS,S/AS01(E) malaria vaccine when implemented through national immunisation programmes: evaluation of cluster-randomised introduction of the vaccine in Ghana, Kenya, and Malawi.Asante KP Mathanga DP Milligan P Akech S Oduro A Mwapasa V Moore KA Kwambai TK Hamel MJ Gyan T Westercamp N Kapito-Tembo A Njuguna P Ansong D Kariuki S Mvalo T Snell P Schellenberg D Welega P Otieno L Chimala A Afari EA Bejon P Maleta K Agbenyega T Snow RW Zulu M Chinkhumba J Samuels AM Malaria Vaccine Programme Evaluation Partners
Lancet, (2024). 403:1660-1670

Safety and efficacy of malaria vaccine candidate R21/Matrix-M in African children: a multicentre, double-blind, randomised, phase 3 trial.Datoo MS Dicko A Tinto H Ouedraogo JB Hamaluba M Olotu A Beaumont E Ramos Lopez F Natama HM Weston S Chemba M Compaore YD Issiaka D Salou D Some AM Omenda S Lawrie A Bejon P Rao H Chandramohan D Roberts R Bharati S Stockdale L Gairola S Greenwood BM Ewer KJ Bradley J Kulkarni PS Shaligram U Hill AVS R1/Matrix-M Phase 3 Trial Group
Lancet, (2024). 403:533-544

Immunogenicity and safety of fractional doses of yellow fever vaccines: a randomised, double-blind, non-inferiority trial.Juan-Giner A Kimathi D Grantz KH Hamaluba M Kazooba P Njuguna P Fall G Dia M Bob NS Monath TP Barrett AD Hombach J Mulogo EM Ampeire I Karanja HK Nyehangane D Mwanga-Amumpaire J Cummings DAT Bejon P Warimwe GM Grais RF
Lancet, (2021). 397:119-127

Effect of a fall in malaria transmission on morbidity and mortality in Kilifi, Kenya.O'Meara WP Bejon P Mwangi TW Okiro EA Peshu N Snow RW Newton CR Marsh K
Lancet, (2008). 372:1555-62